Home > CA > Amador County > Pioneer > Zip 95666

Zip Code 95666 — Pioneer, CA

95666 is a ZIP Code associated with Pioneer, CA, located within Amador. The postal region supports an estimated population of 5,994 residents across Data Pending housing units, with a population density of 27.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.541130, -120.330760)

Data MetricLocal Statistic
Postal / Zip Code95666
Primary CityPioneer
State / ProvinceCA
CountyAmador
Total Population5,994
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density27.6 people/sq mi
TimezoneAmerica/Los_Angeles

How 95666 Compares

MetricZIP 95666Amador CountyCA State Average
Population5,99441,38539,286,245
Median IncomeData PendingN/AN/A
Population Density27.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 95255West Point11.4 mi1,955N/A
Zip 95636Grizzly Flats11.8 mi1,410N/A
Zip 95684Somerset12.4 mi2,708N/A
Zip 95257Wilseyville12.9 mi569N/A
Zip 95726Pollock Pines15.5 mi8,450N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →